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Geosphere 3 (minerals (utilization (Uses to extract metals, Uses like gems…
Geosphere 3
minerals
properties
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They have macroscopic and microscopic properties
Properties can be as rare as: having a salty taste, reaction with acid or not, magnetic properties, capacity to form a double image…
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Rocks
what are they
Scientists generally classify rocks by how they were made or formed. There are three major types of rocks: Metamorphic, Igneous, and Sedimentary.
A rock is a solid made up of a bunch of different minerals. Rocks are generally not uniform or made up of exact structures that can be described by scientific formulas
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tipes of rocks
sedimentary
definition
Sedimentary Rocks - Sedimentary rocks are formed by years and years of sediment compacting together and becoming hard. Generally, something like a stream or river will carry lots of small pieces of rocks and minerals to a larger body of water.
metamorfic
definition
Metamorphic rocks are formed by great heat and pressure. They are generally found inside the Earth's crust where there is enough heat and pressure to form the rocks. Metamorphic rocks are often made from other types of rock.
igneous
definition
Igneous Rocks - Igneous rocks are formed by volcanoes. When a volcano erupts, it spews out hot molten rock called magma or lava. Eventually the magma will cool down and harden
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what are they
Minerals are solid substances that occur naturally. They can be made from a single element (like gold or copper) or from a combination of elements. The Earth is made up of thousands of different minerals.
We can study their: shape, color, exfoliation, brightness, hardness...
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